Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Bump leads
Reexamination Certificate
2007-02-27
2007-02-27
Cao, Phat X. (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Bump leads
C257S738000
Reexamination Certificate
active
10803178
ABSTRACT:
A semiconductor device includes a semiconductor chip provided with an integrated circuit and a pad that is electrically connected to the integrated circuit. A wiring layer has a concave portion and is electrically connected to the pad. An external terminal is joined to the concave portion of the wiring layer. A resin layer is provided with a through hole and is disposed on the wiring layer. The through hole and the concave portion reside at the same position.
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Hanaoka Terunao
Kurosawa Yasunori
Cao Phat X.
Doan Theresa T.
Seiko Epson Corporation
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